Etymology

diphosphonate

D2I1P3H4O1S1P3H4O1N1A1T1E1

Today it means: Any compound (especially a class of drugs) having two phosphonate groups Full definition →

English phosphonate ← Latin di- ← Ancient Greek δῐ- (dĭ-)
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The story

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Englishphosphonic acid
  8. Englishphosphonate
  9. English todaydiphosphonate

From di- + phosphonate.

Etymology from Wiktionary, CC BY-SA 4.0.